Chabane Khentout, Mahieddine Djoudi and Lamri Douidi
Asian Journal of Information Technology 5 ( 2 ): 225 - 231 , 2006
Lamri Douidi, Mahieddine Djoudi and Khentout Chabane
Asian Journal of Information Technology 5 ( 3 ): 258 - 262 , 2006